Release Destructible version 5.2.0-alpha.6.
Release Destructible version 5.2.0-alpha.6.

 * Errored propagation through destruct channel. Closes #163.
 * Always call `_destroy` internally, not `destroy`. Closes #162.
 * Remove `Delay` dependency.
 * Notes on scrammable, minor code tidy. Closes #146.
 * Remove user scrammable. See #146.
 * Remove context passed to `_destroy`. Closes #160.
 * Add sub-destructible error in catch block. See #160.

Closes #164.

bigeasy/destructible